Nitrate nitrogen Ntuziaka nhọrọ: Akụrụngwa enwere ike ibugharị Q-3N Amonia Nitrogen&Nitrate Nitrogen&Nitrite Nitrogen Portable Colorimeter T-CP40 obere agba agba maka mmiri ọñụñụ T-6800 Multi-parameters Portable Colorimeter T-AM Aquaculture Portable Colorimeter Ihe nyocha n'ịntanetị K600 Water Online Analyzer (K-Y02) Ngwa ụlọ nyocha TA-60 nwere ọgụgụ isi Multi-ọrụ Water Analyzer TA-98 UV Spectrophotometer a na-ahụ anya Z-T700 nwere ọgụgụ isi Multi-parameters Analyzer Z-D700 Multi-parameter Analyzer
